Re: [V4L] bttv bitmap clipping, and bug

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]



>  > I see that the current bttv driver turns the clipping rectangles into a
>  > bitmap, then turns the bitmap into a RISC program.  It would be more efficient
>  > to go directly from a list of rectangles to a RISC program, and skip the
>  > bitmap step.  When you want to change overlay on a frame by frame basis, this
>  > inefficiency really does make a difference.
> 
> I didn´t do it :-)
> The bitmap clipping was added after I stopped bttv development.

Huh?  Who wrote it then?  /me did'nt, I just optimized it for speed some
day.  I havn't touched the RISC code buffer sizes, it is still 16k or so...

Running out of risc memory should'nt crash the driver throuth, looks like
the outofmem thing has a bug somewhere...

  Gerd

-- 
Protecting the children is a good way to get a lot of adults who cant
stand up for themselves.		-- seen in some sig on /.





[Index of Archives]     [Linux DVB]     [Video Disk Recorder]     [Asterisk]     [Photo]     [DCCP]     [Netdev]     [Xorg]     [Util Linux NG]     [Xfree86]     [Free Photo Albums]     [Fedora Users]     [Fedora Women]     [ALSA Users]     [ALSA Devel]     [Linux USB]

Powered by Linux